In order to improve the resource scheduling problems of current WSN hybrid channel access process, channel conflict and performance problems such as throughput decline; presents a flow channel access control mechanism based on the orthogonal gradient data of WSN resource planning mechanism; first, the planning mechanism through gradient thought, optimize the ranking of the current WSN hybrid channel the performance index, and according to the channel occupancy and minimum transmission spectrum iterative occupancy rate maximum principle, reduce conflict channel sub flow phenomenon; then according to the actual use of WSN resources, when only when the party to provide additional resources for service resources occupied exceeds a certain limit, in order to achieve a reasonable scheduling sub flow channel access. The simulation results show that the algorithm can improve the quality of service and increase the stable service time.